NATURAL
DIASATERS
List of top 10 natural disasters
1. Cyclone
2. Earthquake
3. Tornado
4. Volcanic Eruption
5. Tsunami
6. Flood
7. Wildfire
...
Earthquakes
 It is the result of a sudden release of
energy from the earth’s crust that creates
seismic waves.
 They are...
Earthquakes
 .The Valdivia earthquake also known as
the great Chilean earthquake is the
biggest earthquake ever recorded....
Tornados (Twisters)
 A tornado is a violently rotating column of
air that is touching both the ground and a
cloud.
 Torn...
Tornados
 The biggest tornado recorded was the
Hallam, Nebraska tornado on May 22,
2004. It was around 2.5 miles big and ...
Volcanic Eruption
 A volcano is an opening in a planet’s
surface which allows hot magma to
escape from below the surface....
Volcanic Eruption
 The biggest volcanic eruption was Mount
Tambora on April 10, 1815, it heard
over 2000 km away and had ...
Tsunami’s
 Tsunami means harbor wave and is
caused by the a large body of water
normally an ocean or a large lake.
Tsunami’s
 The biggest tsunami ever happened at
Lituya Bay, Alaska on July 9, 1958. The
megatsunami was around 150 meters...
Floods
 Floods are caused when water overflows
from a water body.
 One of the biggest floods in the world is
probably th...
Wildfire
 A wildfire is any uncontrolled fire in the
countryside or wilderness.
 Other names for a wildfire are brush fi...
Droughts
 A drought is a long period of time in which a
certain region receives a shortage of water
 Lasting three years...
Avalanches
 An avalanche is a sudden and drastic drop
of snow
 The biggest avalanche happened on Mt.
Huascaran killing 2...
Landslides
 A landslide or a landslip is a movement in
the ground and a shallow flow of debris.
 The largest landslide i...
Unusual Natural Disasters
 Firenadoes
 Limnic Eruptions
MAN MADE
DISASTERS
List of few man made
disasters
• The nuclear bombing
• Terrorism
• Oil spill
The atomic bombing
 The first two atomic bomb were used by the
USA to end the war against Japan in 1945.
 The first one ...
Terrorism
 9/11 is the big act of terrorism on US
 On September 11th, 2001, 4 flights were hi-
jacked 2 of them hit the ...
Deepwater Horizon oil spill
 The oil spill flowed for 3 months without
being stopped.
 About 780,000m3 oil is estimated ...
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NATURAL AND MAN MADE DISASTERS

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Published on: Mar 3, 2016
Published in: Environment      
Source: www.slideshare.net


Transcripts - NATURAL AND MAN MADE DISASTERS

  • 1. NATURAL DIASATERS
  • 2. List of top 10 natural disasters 1. Cyclone 2. Earthquake 3. Tornado 4. Volcanic Eruption 5. Tsunami 6. Flood 7. Wildfire 8. Drought 9. Avalanche 10. Landslide
  • 3. Earthquakes  It is the result of a sudden release of energy from the earth’s crust that creates seismic waves.  They are measured using seismographs.
  • 4. Earthquakes  .The Valdivia earthquake also known as the great Chilean earthquake is the biggest earthquake ever recorded. It hit Chile on May 22, 1960 death toll of around 6000
  • 5. Tornados (Twisters)  A tornado is a violently rotating column of air that is touching both the ground and a cloud.  Tornado conditions are caused when different temperatures and humidity meet to form thunder clouds  “Twisters” can attain speeds up to 100 miles an hour
  • 6. Tornados  The biggest tornado recorded was the Hallam, Nebraska tornado on May 22, 2004. It was around 2.5 miles big and had a death toll of around 160.  The deadliest tornado recorded occurred in Daultipur and Salturia, Bangladesh on April 26th, 1989. 1300 recorded dead and 12,000 injured.
  • 7. Volcanic Eruption  A volcano is an opening in a planet’s surface which allows hot magma to escape from below the surface.  Study of volcano’s is called Volcanology
  • 8. Volcanic Eruption  The biggest volcanic eruption was Mount Tambora on April 10, 1815, it heard over 2000 km away and had a death toll of around 71,000. Due to the explosion 1816 became known as “The Year Without Summer”.  The largest volcano known to humans is Olympus Mons on Mars. Olympus Mons means Mount Olympus and is bigger than Mount Everest.
  • 9. Tsunami’s  Tsunami means harbor wave and is caused by the a large body of water normally an ocean or a large lake.
  • 10. Tsunami’s  The biggest tsunami ever happened at Lituya Bay, Alaska on July 9, 1958. The megatsunami was around 150 meters tall.  The tsunami caused by 2004 Indian Ocean earthquake, is the 6th deadliest Natural disaster in recorded history with a death toll of 230,210 – 280,000.
  • 11. Floods  Floods are caused when water overflows from a water body.  One of the biggest floods in the world is probably the Yellow river in China 1887 which killed between around 900,000.
  • 12. Wildfire  A wildfire is any uncontrolled fire in the countryside or wilderness.  Other names for a wildfire are brush fire, bushfire, forest fire, desert fire, grass fire, hill fire, peat fire, vegetation fire, and veldfire.  One of the largest wildfire is the 1910 wildfire
  • 13. Droughts  A drought is a long period of time in which a certain region receives a shortage of water  Lasting three years from 1958 to 1961, the Great Chinese Famine is the worst on record, 15 to 43 million were killed as a result  USA has been hit by a huge drought in 2012 decreasing corn income by 12%
  • 14. Avalanches  An avalanche is a sudden and drastic drop of snow  The biggest avalanche happened on Mt. Huascaran killing 20,000
  • 15. Landslides  A landslide or a landslip is a movement in the ground and a shallow flow of debris.  The largest landslide in history happened because of Mount St. Helens. 3km of rock moved downhill.
  • 16. Unusual Natural Disasters  Firenadoes  Limnic Eruptions
  • 17. MAN MADE DISASTERS
  • 18. List of few man made disasters • The nuclear bombing • Terrorism • Oil spill
  • 19. The atomic bombing  The first two atomic bomb were used by the USA to end the war against Japan in 1945.  The first one was called Little Boy and dropped by a flight called Enola Gay on Hiroshima with a death toll of around 166,000 on 6 August 1945.  The second was named The fat man and wad dropped by a plane called Bockscar on Nagasaki with a death toll of around 80,000 on 9 August 1945.  If Japan did not surrender the USA planned too continue dropping atomic bombs until they did.
  • 20. Terrorism  9/11 is the big act of terrorism on US  On September 11th, 2001, 4 flights were hi- jacked 2 of them hit the twin towers in New York and third flight hit pentagon, in Washington DC killing 2000  4th flight, passengers attacked the hi- jackers and crashed the flight down.  4th flight was believed to have a target of White house or the Capitol.
  • 21. Deepwater Horizon oil spill  The oil spill flowed for 3 months without being stopped.  About 780,000m3 oil is estimated to have flowed out  17 people were killed in the explosion that released the oil.

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